Particle AI

Maker of Particle-1, a token-efficient coding model.

Particle AI, founded by Suhail Doshi in San Francisco, post-trains open-weight models to solve tasks with fewer tokens. Its first model, Particle-1, is DeepSeek V4.1 Flash with a reinforcement-learned adapter for coding and data-engineering work.

particle.ai

Call Particle AI models through Opper with one API key. Sign up without a credit card.

1 model routes1 providersUS regions latest release

Models from Particle AI

ModelContextProviderRegionZero data retentionTrainingInputOutputCache read
1MUSNo$0.25$1.00$0.03

Release timeline

Every dated Particle AI release, newest first — 1 of 1 run on the Opper gateway today. Releases without a published date aren't listed. See the AI model release tracker.

Start building with 700+ models

One API key for every major provider, up and running in minutes.

Get startedView Documentation